<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>学习 vue</title>
		<script src="../vue.js" type="text/javascript" charset="utf-8"></script>
	</head>
	<body>
		<!-- 
			小结
		 -->
		<!-- 创建容器 -->
		<div id="root">
			<h2>人员对象</h2>
			<input type="text" placeholder="请输入名字" v-model="keyWord" />
			<ul>
				<li v-for="(p,index) in filPersonList" :key="p.id">
					{{p}}
				</li>
			</ul>

		</div>
		
		<script type="text/javascript">
			Vue.config.productionTip=false
			
/* 			用watch实现
			const vm=new Vue({
				el:'#root',
				data:{
					keyWord:'',
					personList:[
						{id:'001',name:'马冬梅',age:18,sex:'女'},
						{id:'002',name:'周冬雨',age:19,sex:'女'},
						{id:'003',name:'周杰伦',age:20,sex:'男'},
						{id:'004',name:'温兆伦',age:21,sex:'男'}
					],
					filPersonList:[]
					
				},
				watch:{
					keyWord:{
						immediate:true,
						handler(val){
							this.filPersonList=this.personList.filter((p)=>{
								return p.name.indexOf(val)!==-1//写的是匹配的条件
							} ) 
						}
					}
				}
			}) */
			
			//用computed实现
			const vm=new Vue({
				el:'#root',
				data:{
					keyWord:'',
					personList:[
						{id:'001',name:'马冬梅',age:18,sex:'女'},
						{id:'002',name:'周冬雨',age:19,sex:'女'},
						{id:'003',name:'周杰伦',age:20,sex:'男'},
						{id:'004',name:'温兆伦',age:21,sex:'男'}
					],	
				},
				computed:{
					filPersonList(){
						return this.personList.filter((p)=>{
								return p.name.indexOf(this.keyWord)!==-1//写的是匹配的条件
							} ) 
					}
				}
			}) 
		</script>
	</body>
</html>
